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Best Street Fights

61 Followers

Get ready for intense, raw, and unfiltered real fights from across the globe. "Real Fights" brings you the best of unscripted, adrenaline-pumping street battles and one-on-one confrontations. From urban brawls to spontaneous combat encounters, we showcase the most thrilling moments of real-life action. Whether you're a fan of street combat or just love watching real people go head-to-head, this is the channel for you. Join us for a front-row seat to the best real fights the world has to offer!

Natural Eyesight Improvement - Dr. Bates' Method

37 Followers

I preserve Ophthalmologist William H. Bates M. D. books, magazine, medical articles in paper, e-book and videos. FREE Natural Eyesight Improvement Training. Dr. Bates history; See our websites and Dr. Bates, Clark Night's (my pen name) Amazon page; https://www.amazon.com/William-H.-Bates/e/B004H9DOBC%3Fref=dbs_a_mng_rwt_scns_share https://www.amazon.com/Clark-Night/e/B004HU1MNS?ref=dbs_a_def_rwt_hsch_vu00_tkin_p1_i2 https://cleareyesight-batesmethod.info/ https://cleareyesight-batesmethod.info/naturalvisionimprovementoriginalandmodernbatesmethod/ 165 videos on our YouTube channel; https://www.youtube.com/user/ClarkClydeNight/videos Many old editions are free in PDF and have audio training in the chapters; https://cleareyesight-batesmethod.info/id148.html New Editions are only in paperback, hardcover and Kindle. See our Copyright, Disclaimer, Directions and a list of Unnatural methods, bad teachers to avoid; https://cleareyesight-batesmethod.info/id110.html

Rayleigh Criterion

12 Followers

• Diffraction limits resolution. • For a circular aperture, lens, or mirror, the Rayleigh criterion states that two images are just resolvable when the center of the diffraction pattern of one is directly over the first minimum of the diffraction pattern of the other. • This occurs for two point objects separated by the angle θ = 1.22 λ / D, where λ is the wavelength of light (or other electromagnetic radiation) and D is the diameter of the aperture, lens, mirror, etc. This equation also gives the angular spreading of a source of light having a diameter D. From http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/Raylei.html Average vision is 5 × 10⁻⁴ radians or 103.13 arcseconds or a ratio of 1:2000 [1 unit resolvable at 2000 units]